Home / 1,007,214.36-1,389,905.82-554,495.64

Finding the Fourth Proportional to 1,007,214.36, 1,389,905.82 and 554,495.64

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Solution

The fourth proportional to 1,007,214.36, 1,389,905.82 and 554,495.64 is: 765,176.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,214.36 : 1,389,905.82 = 554,495.64 : x
  2. Step 2: Convert to fraction form
    1,007,214.36/1,389,905.82 = 554,495.64/x
  3. Step 3: Cross multiply
    1,007,214.36x = 1,389,905.82 × 554,495.64
  4. Step 4: Simplify right side
    1,007,214.36x = 770,696,717,200.63
  5. Step 5: Solve for x
    x = 770,696,717,200.63/1,007,214.36
  6. Step 6: Final answer
    x = 765,176.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.